Finding the Fourth Proportional to 25,491,271.20, 38,236,872.06 and 11,836,951.08
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Solution
The fourth proportional to 25,491,271.20, 38,236,872.06 and 11,836,951.08 is: 17,755,410.49
Step by Step Solution
- Step 1: Write the proportion equation
25,491,271.20 : 38,236,872.06 = 11,836,951.08 : x - Step 2: Convert to fraction form
25,491,271.20/38,236,872.06 = 11,836,951.08/x - Step 3: Cross multiply
25,491,271.20x = 38,236,872.06 × 11,836,951.08 - Step 4: Simplify right side
25,491,271.20x = 452,607,984,026,438.88 - Step 5: Solve for x
x = 452,607,984,026,438.88/25,491,271.20 - Step 6: Final answer
x = 17,755,410.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.